and barack obama and mitt romney are powering across the country. practically half dozen states for each of them in 48 hours time. story tonight from david muir. >> mad dash to the finish line. president and mitt romney with the final argument. >> i am fired up right now. >> start voting rate now. >> both candidate crisscross the country. president rally in florida this morning and playing in to ohio. tomorrow iowa. colorado. nevada. then sleeping on air force one anything back to florida thursday then virginia chicago to cast vote early then ohio all over again. mitt romney taking off from florida flying west to nevada tonight here this colorado tomorrow back to nevada, iowa and thursday ohio. president obama fueled by the final debate performance with blistering attack on what he calls romney shifting position. that condition he jokingly calls this. >> we joke about romney amnesia a. this is important. this is a. this is important. this is about trust. romp neetion a firing back the president. >> he has been reduced to try to defend character on s